During the winter troops could see a high of 100F in the day and below freezing at night. While in the summer, temperatures were often around 130F in the shade. The poor guys in the tanks had to endure oven-like conditions of around 160F.
All the effort and the heat ended up being worth it, the torch operation was vital to expel the Germans from the north of Africa and begin the push towards Europe, also served as a prelude to Normandy.
Many of these places may seem like a ghost spot if you look at them from a map, but they contain valuable historical information.